To simply say that the White Cliffs of Dover are made of chalk would miss the point of Life at the Edge of Sight: A Photographic Exploration of the Microbial World. The chalk giving the famous cliffs their white appearance was formed from the exoskeletons of plated marine microbes called coccolithophores.

Harvard Puzzles by John de Cuevas

To simply say that the White Cliffs of Dover are made of chalk would miss the point of Life at the Edge of Sight: A Photographic Exploration of the Microbial World. The chalk giving the famous cliffs their white appearance was formed from the exoskeletons of plated marine microbes called coccolithophores.